header {
  position: fixed;
  top: 0;
  left: 150px;
  right: 0;
  padding: 0 30px;
  height: 61px;
  background: #ebebeb;
  .user {
    position: absolute;
    right: 0;
    top: 15px;
    height: 30px;
    line-height: 30px;
    color: gray;
  }
  .header-con {
    position: relative;
    width: 100%;
    height: 60px;
  }
  .text {
    float: left;
    height: 30px;
  }

  .avatar {
    float: right;
    width: 30px;
    height: 30px;
    img {
      width: 100%;
      height: 100%;
      border-radius: 90%;
    }
  }
}
